["Go home", Elsa smiles at that.]

So you ar looking for a way back home... I'm sorry but then I definitively can't go with you. I have nowhere to go, no wish to return where I come from.

[She had already decided to live in solitude before being brought here, be it in the mountain or in another world makes little difference for her.]

If I went with you and you found your way home, I wouldn't be able to sail the ship back here by myself.